<template>
  <div>
      <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图 -->
    <el-card>
        <el-row :gutter="20">
            <el-col :span="8" >
                <!-- 头部搜索框 -->
                <el-input clearable @clear="getGoodsList" v-model="queryInfo.query" placeholder="请输入内容" size="mini">
                    <el-button @click="getGoodsList" slot="append" size="mini" icon="el-icon-search"></el-button>
                </el-input>
            </el-col>
            <el-col :span="4">
                <!-- 添加商品按钮 -->
                <el-button @click="goAddpage" type="primary" size="mini">添加商品</el-button>
            </el-col>
        </el-row>
        <!-- table表格区域 -->
        <el-table :data="goodslist" border stripe>
            <!-- 索引列 -->
            <el-table-column type="index"></el-table-column>
            <el-table-column label="商品名称" prop="goods_name"></el-table-column>
            <el-table-column width="95px" label="商品价格" prop="goods_price"></el-table-column>
            <el-table-column width="65px" label="商品重量" prop="goods_weight"></el-table-column>
            <el-table-column width="145px" label="创建时间" prop="add_time">
                <template slot-scope="scope">
                    {{ scope.row.add_time | dateFormat }}
                </template>
            </el-table-column>
            <el-table-column width="120px" label="操作">
                <template slot-scope="scope">
                    <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
                    <el-button @click="removeById(scope.row.goods_id)" type="danger" icon="el-icon-delete" size="mini"></el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 分页器 -->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="queryInfo.pagenum"
            :page-sizes="[5, 10, 15, 20]"
            :page-size="queryInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total" background>
        </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data () {
    return {
        //查询参数对象
        queryInfo:{
            query:'',
            pagenum:1,
            pagesize:10
        },
        //商品列表
        goodslist:[],
        //总数据条数
        total:0
    }
  },
  methods: {
      //根据分页获取对应的商品列表
      async getGoodsList(){
          const {data: res } = await this.$http.get('goods',{params:this.queryInfo})
          if(res.meta.status !==200){
              return this.$message.error('获取商品列表信息失败')
          }
          this.$message.success('获取商品列表成功')
          console.log(res.data)
          this.goodslist = res.data.goods
          this.total = res.data.total
      },
      //
      handleSizeChange(newSize){
          this.queryInfo.pagesize = newSize
          this.getGoodsList()
      },
      //
      handleCurrentChange(newPage){
          this.queryInfo.pagenum = newPage
          this.getGoodsList()
      },
      //删除商品信息
      async removeById(id){
          const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err => err)
        if(confirmResult !=='confirm'){
            return this.$message.info('已取消删除！')
        }
        const {data:res} = await this.$http.delete(`goods/${id}`)
        if(res.meta.status !==200){
            return this.$message.error('删除失败！')
        }
        this.$message.success('删除成功！')
        this.getGoodsList()
      },
      //
      goAddpage(){
          this.$router.push('/goods/add')
      }
  },
  created(){
      this.getGoodsList()
  }
}
</script>

<style scoped>

</style>
